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Finding the Fourth Proportional to 161,612.82, 223,041.20 and 89,992.82

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Solution

The fourth proportional to 161,612.82, 223,041.20 and 89,992.82 is: 124,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,612.82 : 223,041.20 = 89,992.82 : x
  2. Step 2: Convert to fraction form
    161,612.82/223,041.20 = 89,992.82/x
  3. Step 3: Cross multiply
    161,612.82x = 223,041.20 × 89,992.82
  4. Step 4: Simplify right side
    161,612.82x = 20,072,106,671.82
  5. Step 5: Solve for x
    x = 20,072,106,671.82/161,612.82
  6. Step 6: Final answer
    x = 124,198.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.